Seraphina, betrothed to the Crown Prince, was betrayed by the Crown Prince and her half-sister on her wedding night. After a death, her soul watched as her half-sister, Helena, usurped her destiny and took the throne as Empress. Seraphina finds herself back on her wedding day. This time, she plays along with their scheme, waiting until Helena has entered the bridal sedan before publicly exposing their conspiracy. The Crown Prince, Xiao Jingchuan, is consumed by regret.